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149 lines
4.3 KiB
C++
149 lines
4.3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/ig_surface_light.h"
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namespace NL3D
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{
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// ***************************************************************************
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CIGSurfaceLight::CIGSurfaceLight()
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{
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/* ***********************************************
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* WARNING: This Class/Method must be thread-safe (ctor/dtor/serial): no static access for instance
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* It can be loaded/called through CAsyncFileManager for instance
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* ***********************************************/
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_Owner= NULL;
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_CellSize= 1;
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_OOCellSize= 1;
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}
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// ***************************************************************************
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void CIGSurfaceLight::setOwner(CInstanceGroup *owner)
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{
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nlassert(owner!=NULL);
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_Owner= owner;
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}
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// ***************************************************************************
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void CIGSurfaceLight::build(const TRetrieverGridMap &retrieverGridMap, float cellSize,
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const std::vector<uint> &plRemap)
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{
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_RetrieverGridMap= retrieverGridMap;
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nlassert(cellSize>0);
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_CellSize= cellSize;
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_OOCellSize= 1.f/_CellSize;
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// remap indices.
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ItRetrieverGridMap it;
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for(it= _RetrieverGridMap.begin(); it!=_RetrieverGridMap.end(); it++)
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{
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// For all grids of this retriever
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for(uint iGrid= 0; iGrid<it->second.Grids.size(); iGrid++)
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{
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CSurfaceLightGrid &grid= it->second.Grids[iGrid];
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// For all cells of this grid.
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for(uint iCell= 0; iCell<grid.Cells.size(); iCell++)
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{
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CSurfaceLightGrid::CCellCorner &cell= grid.Cells[iCell];
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// For all point light id.
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for(uint lid= 0; lid<CSurfaceLightGrid::NumLightPerCorner; lid++)
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{
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if(cell.Light[lid] == 0xFF)
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break;
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else
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cell.Light[lid]= plRemap[cell.Light[lid]];
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}
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// remap ambient light
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if(cell.LocalAmbientId!=0xFF)
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cell.LocalAmbientId= plRemap[cell.LocalAmbientId];
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}
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}
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}
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}
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// ***************************************************************************
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void CIGSurfaceLight::clear()
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{
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_RetrieverGridMap.clear();
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_CellSize= 1;
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_OOCellSize= 1;
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}
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// ***************************************************************************
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void CIGSurfaceLight::serial(NLMISC::IStream &f)
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{
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/* ***********************************************
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* WARNING: This Class/Method must be thread-safe (ctor/dtor/serial): no static access for instance
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* It can be loaded/called through CAsyncFileManager for instance
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* ***********************************************/
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/*
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Version 1:
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- The retriever grid map is now a map<uint,CRetrieverLightGrid>. Discard compatibility but.
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*/
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sint ver= f.serialVersion(1);
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f.serial(_CellSize);
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f.serial(_OOCellSize);
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if(ver<1)
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{
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std::map<std::string, CRetrieverLightGrid> oldFormatRetrieverGridMap;
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f.serialCont(oldFormatRetrieverGridMap);
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_RetrieverGridMap.clear();
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}
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else
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{
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f.serialCont(_RetrieverGridMap);
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}
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}
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// ***************************************************************************
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bool CIGSurfaceLight::getStaticLightSetup(NLMISC::CRGBA sunAmbient, uint retrieverIdentifier, sint surfaceId, const CVector &localPos,
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std::vector<CPointLightInfluence> &pointLightList, uint8 &sunContribution, NLMISC::CRGBA &localAmbient)
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{
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nlassert(_Owner);
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// default
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sunContribution= 255;
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localAmbient= sunAmbient;
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ItRetrieverGridMap it;
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it= _RetrieverGridMap.find(retrieverIdentifier);
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// If bad ident
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if(it==_RetrieverGridMap.end())
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return false;
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CRetrieverLightGrid &rlg= it->second;
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// if bad surfaceId
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if(surfaceId<0 || surfaceId>= (sint)rlg.Grids.size())
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return false;
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// Else, ok, get it.
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rlg.Grids[surfaceId].getStaticLightSetup(sunAmbient, localPos, pointLightList, sunContribution, *this, localAmbient);
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return true;
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}
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} // NL3D
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